Integrated virtual hub chip
US7352362B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 12, 2005 |
| Grant date | Apr 1, 2008 |
| Priority date | — |
| Expiry date | May 24, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F13/4027
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An apparatus that includes a serial port configured to interface with a separate host, one serial interface engine (SIE) connected to the serial port, and at least a first interface unit and a second interface unit connected to the one serial interface engine. In one embodiment, the apparatus includes a virtual hub comprising a firmware unit configured to emulate a hub having multiple ports. In another alternative embodiment, the apparatus is a Universal Serial Bus (USB) peripheral and the serial port is a Universal Serial Bus port. In another alternative embodiment, apparatus is housed within a keyboard.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.